I applied online. The process took 1+ week. I interviewed at Capital One (Richmond, VA) in Dec 2014
Interview
1. A recruiter called who said they mainly hire Ph.D's. I think it was something like 60/30/10 Ph.D/MS/BS.
2. Initial simple technical online quiz
3. Two separate interviews (one case study) and one technical (stats/coding) where each was 30 minutes long.
All the questions were pretty standard though not necessarily indicative of data science performance.
Interview questions [1]
Question 1
Case study - what features would you use to determine credit risk given transaction history from the past two years.
Explain a simple map reduce problem
Read in a very large file of tab delimited numbers using python and count frequency of each number (don’t overthink this. Use python done in a few lines)
Whats more likely: Getting at least one six in 6 rolls, at least two sixes in 12 rolls or at least 100 sixes in 600 rolls?
Find all the combinations of change you can for a given amount
I applied through an employee referral. I interviewed at Capital One (Dallas, TX) in Jan 2026
Interview
I had an interview with the hiring manager, and she started to ask about my CV and went through the details of each project, and also asked additional questions about each project, what would happen if we do this or that
The recruiter call me and after a 30 min meeting with HR they set me up for interview with the manager, but no one showed up and they never responded my email
Two technical rounds with case studies and coding + SQL. Coding was just LC easy level and SQL was a bit more challenging but being comfortable with all the key words should be good enough.